Properties of die steel

1、 Annealing processability

The spheroidizing annealing temperature range is wide, the annealing hardness is low and the fluctuation range is small, and the spheroidizing rate is high.

2、 Malleability

It has low hot forging deformation resistance, good plasticity, wide forging temperature range, and low tendency of cold forging cracking and precipitation of network carbide.

3、 Oxidation and decarburization sensitivity

During high temperature heating, the oxidation resistance is good, the decarburization speed is slow, the heating medium is insensitive, and the tendency to produce pitting is small.

4、 Machinability

Large cutting parameters, low tool wear and low surface roughness.

5、 Hardenability

After quenching, a deeper hardened layer can be obtained, which can be hardened by using a mild quenching medium.

6、 Grindability

The relative loss of the grinding wheel is small, the burn free limit grinding amount is large, and the grinding wheel is insensitive to the quality and cooling conditions of the grinding wheel, so the grinding damage and grinding cracks are not easy to occur.

7、 Hardenability

It has uniform and high surface hardness after quenching.

8、 Quenching deformation cracking tendency

Conventional quenching has small volume change, slight shape warping and distortion, and low tendency of abnormal deformation. Conventional quenching has low sensitivity to cracking and is insensitive to quenching temperature and workpiece shape.

Source: Baidu Encyclopedia extract



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